Home / 509,560,873.16-703,179,760.29-308,736,648.14

Finding the Fourth Proportional to 509,560,873.16, 703,179,760.29 and 308,736,648.14

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Solution

The fourth proportional to 509,560,873.16, 703,179,760.29 and 308,736,648.14 is: 426,047,943.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,560,873.16 : 703,179,760.29 = 308,736,648.14 : x
  2. Step 2: Convert to fraction form
    509,560,873.16/703,179,760.29 = 308,736,648.14/x
  3. Step 3: Cross multiply
    509,560,873.16x = 703,179,760.29 × 308,736,648.14
  4. Step 4: Simplify right side
    509,560,873.16x = 217,097,362,231,823,264
  5. Step 5: Solve for x
    x = 217,097,362,231,823,264/509,560,873.16
  6. Step 6: Final answer
    x = 426,047,943.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.